Modeling with Linear Systems

Question 1

Which assignment of variables can be used in finding the cost of each item in the word problem on the left?

Revolt · Accepted Answer

H = the unit price of corn beef hashC = the unit price of creamed chipped beef

Question 2

Question 2

Revolt · Accepted Answer

number of songs; number of audiobooks

Question 3

Let y = price of each audiobook✔ number of audiobookslength of each book recording

Revolt · Accepted Answer

✔ number of audiobooks

Question 4

I= 370

Revolt · Accepted Answer

0

Question 5

C +

Revolt · Accepted Answer

2

Question 6

P + 2I = 1,320

Revolt · Accepted Answer

3

Question 7

Which system of equations models the word problem on the left?

Revolt · Accepted Answer

2H + 3C = 4.953H + 2C = 5.45

Question 8

What is meant by “options” in the context of the final question? price ranges of items from which Ben can choosenumber of choices of song and book titles available for purchase✔ possible combinations of numbers of songs and numbers of audiobooks Ben may buy

Revolt · Accepted Answer

✔ possible combinations of numbers of songs and numbers of audiobooks Ben may buy

Question 9

Select all combinations that are possible options within Ben’s purchasing constraints.

Revolt · Accepted Answer

12 songs and 4 books; 18 songs and 5 books; 35 songs and 1 book

Question 10

C + 2P +I

Revolt · Accepted Answer

1

Modeling with Linear Systems Answers

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